statsmodels.discrete.count_model.GenericZeroInflated.hessian

GenericZeroInflated.hessian(params)[source]

Generic Zero Inflated model Hessian matrix of the loglikelihood

Parameters:
params : array_like

The parameters of the model

Returns:

hess – The Hessian, second derivative of loglikelihood function, evaluated at params

Return type:

ndarray, (k_vars, k_vars)

Notes